linux-kernel - Re: [RFC PATCH v2 2/4] rust: io_uring: introduce rust abstraction for io-uring cmd

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Message-ID: <aJMcS1aE3n9gYMOy@sidongui-MacBookPro.local>
Date: Wed, 6 Aug 2025 18:11:39 +0900
From: Sidong Yang <sidong.yang@...iosa.ai>
To: Daniel Almeida <daniel.almeida@...labora.com>
Cc: Caleb Sander Mateos <csander@...estorage.com>,
	Benno Lossin <lossin@...nel.org>, Miguel Ojeda <ojeda@...nel.org>,
	Arnd Bergmann <arnd@...db.de>, Jens Axboe <axboe@...nel.dk>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org,
	io-uring@...r.kernel.org
Subject: Re: [RFC PATCH v2 2/4] rust: io_uring: introduce rust abstraction
 for io-uring cmd

On Tue, Aug 05, 2025 at 10:02:18AM -0300, Daniel Almeida wrote:
> Hi Sidon,
> 
> > On 5 Aug 2025, at 00:39, Sidong Yang <sidong.yang@...iosa.ai> wrote:
> > 
> > On Fri, Aug 01, 2025 at 10:48:40AM -0300, Daniel Almeida wrote:
> > 
> > Hi Daniel,
> > 
> >> Hi Sidong,
> >> 
> >>> On 27 Jul 2025, at 12:03, Sidong Yang <sidong.yang@...iosa.ai> wrote:
> >>> 
> >>> This patch introduces rust abstraction for io-uring sqe, cmd. IoUringSqe
> >>> abstracts io_uring_sqe and it has cmd_data(). and IoUringCmd is
> >>> abstraction for io_uring_cmd. From this, user can get cmd_op, flags,
> >>> pdu and also sqe.
> >> 
> >> IMHO you need to expand this substantially.
> >> 
> >> Instead of a very brief discussion of *what* you're doing, you need to explain
> >> *why* you're doing this and how this patch fits with the overall plan that you
> >> have in mind.
> > 
> > It seems that it's hard to explain *why* deeply. But I'll try it.
> 
> Just to be clear, you don´t need to go deep enough in the sense that
> you´re basically rewriting the documentation that is already available in
> C, but you do need to provide an overview of how things fit together, otherwise
> we're left to connect the dots.
> 
> Have a look at the I2C series [0]. That is all you need to do IMHO.
> 
> I´d use that as an example.
>  
> [0]: https://lore.kernel.org/rust-for-linux/2D1DE1BC-13FB-4563-BE11-232C755B5117@collabora.com/T/#t

Thanks, 
I'll rewrite the cover letter and commit messages that reference the example. 

Thanks,
Sidong
> 
> - Daniel